<template>
    <div class="chooseIcons">
        <el-popover placement="bottom" width="450" trigger="click">
            <span slot="reference" style="
        display: inline-block;
        width: 200px;
        height: 33px;
        line-height: 33px;
        ">
                <i :class="userChooseIcon"></i>
                {{ userChooseIcon }}
            </span>
            <div class="iconList">
                <i v-for="item in iconList" :key="item" :class="item" @click="setIcon(item)" style="font-size: 20px"></i>
            </div>
        </el-popover>
    </div>
</template>
<script>
//导入自定义的icon图标库
import { elementIcons } from "@/utils/icons";
export default {
    name: 'MyIcon',
    data() {
        return {
            userChooseIcon: "",//用户选中的图标
            iconList: [],//图标列表
        }
    },
    methods: {
        /**
        * 获取图标列表
        */
        getIconList() {
            this.iconList = elementIcons;
        },
        //给icon绑定的点击事件
        setIcon(icon) {
            //将i的样式设为选中的样式el-icon-xxx
            this.userChooseIcon = icon;
            //将选中的图标传递给父组件
            this.$emit("selecticon", icon)
        },
    },
    created() {
        //获取图标列表
        this.getIconList();
    }
}
</script>
<style scoped lang="scss">
.iconList {
    width: 400px;
    height: 300px;
    overflow-y: scroll;
    overflow-x: hidden;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;

    i {
        display: inline-block;
        width: 60px;
        height: 45px;
        color: #000000;
        font-size: 20px;
        border: 1px solid #e6e6e6;
        border-radius: 4px;
        cursor: pointer;
        text-align: center;
        line-height: 45px;
        margin: 5px;

        &:hover {
            color: orange;
            border-color: orange;
        }
    }
}

.chooseIcons {
    width: 175px;
    background-color: #FFFFFF;
    background-image: none;
    border-radius: 4px;
    border: 1px solid #DCDFE6;
    box-sizing: border-box;
    color: #606266;
    display: inline-block;
    font-size: inherit;
    height: 33px;
    line-height: 25px ;
    outline: none;
    padding: 0 15px;
    transition: border-color 0.2s cubic-bezier(0.645, 0.045, 0.355, 1);
}
</style>